List of anatomical lines

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Vertical lines: Midline, lateral sternal line, parasternal line and midclavicular line. Horizontal lines: Level of the sternal angle, and zipho-sternal line.

Anatomical "lines", theoretical lines drawn through structures, are also used to describe anatomical location. For example:

  • The midaxillary line, a line running vertically down the surface of the body passing through the apex of the axilla (armpit). Parallel are the anterior axillary line, which passes through the anterior axillary skinfold, and the posterior axillary line, which passes through the posterior axillary skinfold.
  • The mid-clavicular line, a line running vertically down the surface of the body passing through the midpoint of the clavicle.
  • The mid-pupillary line, a line running vertically down the face through the midpoint of the pupil when looking directly forward.
  • The mid-inguinal point, a point midway between the anterior superior iliac spine and the pubic symphysis.
  • Intercristal line, which is a transverse line passing across the lumbar spine between the superior aspects of the iliac crests.
  • Mid-dorsal line, the intersection between the dorsal skin and the median plane.
  • Mid-ventral line, the intersection between the ventral skin and the median plane.

See also[edit]